[3/5] mm: mprotect: use VM_ACCESS_FLAGS

Message ID 20221019034945.93081-4-wangkefeng.wang@huawei.com
State New
Headers
Series mm: cleanup with VM_ACCESS_FLAGS |

Commit Message

Kefeng Wang Oct. 19, 2022, 3:49 a.m. UTC
  Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/mprotect.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Patch

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 668bfaa6ed2a..99762403cc8f 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -756,8 +756,7 @@  static int do_mprotect_pkey(unsigned long start, size_t len,
 		 * If a permission is not passed to mprotect(), it must be
 		 * cleared from the VMA.
 		 */
-		mask_off_old_flags = VM_READ | VM_WRITE | VM_EXEC |
-					VM_FLAGS_CLEAR;
+		mask_off_old_flags = VM_ACCESS_FLAGS | VM_FLAGS_CLEAR;
 
 		new_vma_pkey = arch_override_mprotect_pkey(vma, prot, pkey);
 		newflags = calc_vm_prot_bits(prot, new_vma_pkey);